<?php

class Api
{
    /** API URL */
    public $api_url = 'https://demo.panels.followerhq.com/api/v2';

    /** Your API key */
    public $api_key = '';

    /** Add order */
    public function order($data) {
        $post = array_merge(['key' => $this->api_key, 'action' => 'add'], $data);
        return json_decode($this->connect($post));
    }

    /** Get order status */
    public function status($order_id) {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'status',
            'order' => $order_id
        ]));
    }

    /** Get orders status */
    public function multiStatus($order_ids) {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'status',
            'orders' => implode(",", (array)$order_ids)
        ]));
    }

    /** Get services */
    public function services() {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'services',
        ]));
    }

    /** Refill order */
    public function refill(int $orderId) {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'refill',
            'order' => $orderId,
        ]));
    }

    /** Refill orders */
    public function multiRefill(array $orderIds) {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'refill',
            'orders' => implode(',', $orderIds),
        ]), true);
    }

    /** Get refill status */
    public function refillStatus(int $refillId) {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'refill_status',
            'refill' => $refillId,
        ]));
    }

    /** Get refill statuses */
    public function multiRefillStatus(array $refillIds) {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'refill_status',
            'refills' => implode(',', $refillIds),
        ]), true);
    }

    /** Cancel orders */
    public function cancel(array $orderIds) {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'cancel',
            'orders' => implode(',', $orderIds),
        ]), true);
    }

    /** Get balance */
    public function balance() {
        return json_decode($this->connect([
            'key' => $this->api_key,
            'action' => 'balance',
        ]));
    }

    private function connect($post) {
        $_post = [];
        if (is_array($post)) {
            foreach ($post as $name => $value) {
                $_post[] = $name . '=' . urlencode($value);
            }
        }
        $ch = curl_init($this->api_url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        if (is_array($post)) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, join('&', $_post));
        }
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)');
        $result = curl_exec($ch);
        if (curl_errno($ch) != 0 && empty($result)) {
            $result = false;
        }
        curl_close($ch);
        return $result;
    }
}

// Examples

$api = new Api();

$services = $api->services(); # return all services
$balance = $api->balance(); # return user balance

$order = $api->order(['service' => 1, 'link' => 'http://example.com/test', 'quantity' => 100, 'runs' => 2, 'interval' => 5]); # Default
$order = $api->order(['service' => 1, 'link' => 'http://example.com/test']); # Package
$order = $api->order(['service' => 1, 'link' => 'http://example.com/test', 'comments' => "good pic\ngreat photo\n:)\n;)"]); # Custom Comments
$order = $api->order(['service' => 1, 'link' => 'http://example.com/test', 'quantity' => 100, 'username' => 'test']); # Comment Likes
$order = $api->order(['service' => 1, 'username' => 'username', 'min' => 100, 'max' => 110, 'posts' => 0, 'delay' => 30, 'expiry' => '11/11/2022']); # Subscriptions
$order = $api->order(['service' => 1, 'link' => 'http://example.com/test', 'quantity' => 100, 'country' => 'US', 'device' => 1, 'type_of_traffic' => 1, 'google_keyword' => 'test']); # Web Traffic

$status = $api->status($order->order); # return status, charge, remains, start count, currency
$statuses = $api->multiStatus([1, 2, 3]); # return status, charge, remains, start count, currency of selected orders

$refill = $api->refill(1); # return refill ID
$refills = $api->multiRefill([1, 2, 3]); # return refill IDs

$refillStatus = $api->refillStatus(1); # return refill status
$refillStatuses = $api->multiRefillStatus([1, 2, 3]); # return refill statuses

$cancel = $api->cancel([1, 2, 3]); # return cancel status